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Finding the Fourth Proportional to 175,513.70, 262,502.55 and 156,928.10

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Solution

The fourth proportional to 175,513.70, 262,502.55 and 156,928.10 is: 234,705.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,513.70 : 262,502.55 = 156,928.10 : x
  2. Step 2: Convert to fraction form
    175,513.70/262,502.55 = 156,928.10/x
  3. Step 3: Cross multiply
    175,513.70x = 262,502.55 × 156,928.10
  4. Step 4: Simplify right side
    175,513.70x = 41,194,026,416.66
  5. Step 5: Solve for x
    x = 41,194,026,416.66/175,513.70
  6. Step 6: Final answer
    x = 234,705.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.